fix: [typo] fixed

Thanks to Raphael for noticing it!

Author: iglocska

objects/rmm/definition.json

@@ -76,7 +76,7 @@
   "meta-category": "misc",
   "name": "rmm",
   "requiredOneOf": [
-    "common",
+    "comment",
     "rmm-type",
     "guid",
     "url",
@@ -85,4 +85,4 @@
   ],
   "uuid": "2cdcfb2a-dd74-4d88-ae02-6f381b312666",
   "version": 3
-}
+}